Unverified Commit 11434697 authored Oct 25, 2021 by Konstantin Komarov

fs/ntfs3: Check new size for limits



We must check size before trying to allocate.
Size can be set for example by "ulimit -f".
Fixes xfstest generic/228
Fixes: 4342306f ("fs/ntfs3: Add file operations and implementation")

Reviewed-by: Kari Argillander <kari.argillander@gmail.com>
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>

parent 3880f2b8

fs/ntfs3/file.c

+7 −1

Original line number	Diff line number	Diff line
		@@ -661,7 +661,13 @@ static long ntfs_fallocate(struct file *file, int mode, loff_t vbo, loff_t len)
		/*
		* Normal file: Allocate clusters, do not change 'valid' size.
		*/
		err = ntfs_set_size(inode, max(end, i_size));
		loff_t new_size = max(end, i_size);

		err = inode_newsize_ok(inode, new_size);
		if (err)
		goto out;

		err = ntfs_set_size(inode, new_size);
		if (err)
		goto out;